Fix OS X issue: window start in foreground
Fix OS X issue: window start in foreground

When run from command line, the window starts behind all other windows.
raise_() will bring the window to the front.

dabura667/electrum,protonn/Electrum-Cash,FairCoinTeam/electrum-fair,spesmilo/electrum,romanz/electrum,argentumproject/electrum-arg,pknight007/electrum-vtc,pooler/electrum-ltc,neocogent/electrum,kyuupichan/electrum,cryptapus/electrum-myr,romanz/electrum,aasiutin/electrum,digitalbitbox/electrum,pooler/electrum-ltc,dashpay/electrum-dash,pknight007/electrum-vtc,vialectrum/vialectrum,wakiyamap/electrum-mona,vialectrum/vialectrum,procrasti/electrum,fireduck64/electrum,fujicoin/electrum-fjc,asfin/electrum,digitalbitbox/electrum,cryptapus/electrum-uno,vertcoin/electrum-vtc,aasiutin/electrum,vialectrum/vialectrum,cryptapus/electrum-myr,romanz/electrum,dabura667/electrum,imrehg/electrum,cryptapus/electrum-uno,wakiyamap/electrum-mona,aasiutin/electrum,dashpay/electrum-dash,cryptapus/electrum,wakiyamap/electrum-mona,cryptapus/electrum-myr,protonn/Electrum-Cash,imrehg/electrum,digitalbitbox/electrum,cryptapus/electrum-uno,digitalbitbox/electrum,procrasti/electrum,fyookball/electrum,FairCoinTeam/electrum-fair,fyookball/electrum,fujicoin/electrum-fjc,neocogent/electrum,dashpay/electrum-dash,dabura667/electrum,spesmilo/electrum,dashpay/electrum-dash,procrasti/electrum,spesmilo/electrum,molecular/electrum,vertcoin/electrum-vtc,dabura667/electrum,fyookball/electrum,fireduck64/electrum,FairCoinTeam/electrum-fair,kyuupichan/electrum,asfin/electrum,pknight007/electrum-vtc,protonn/Electrum-Cash,neocogent/electrum,pooler/electrum-ltc,vertcoin/electrum-vtc,molecular/electrum,lbryio/lbryum,wakiyamap/electrum-mona,aasiutin/electrum,imrehg/electrum,lbryio/lbryum,cryptapus/electrum-myr,argentumproject/electrum-arg,argentumproject/electrum-arg,cryptapus/electrum-uno,vertcoin/electrum-vtc,fireduck64/electrum,pknight007/electrum-vtc,fujicoin/electrum-fjc,molecular/electrum,kyuupichan/electrum,pooler/electrum-ltc,fireduck64/electrum,protonn/Electrum-Cash,cryptapus/electrum,cryptapus/electrum,FairCoinTeam/electrum-fair,imrehg/electrum,spesmilo/electrum,procrasti/electrum,molecular/electrum,argentumproject/electrum-arg,asfin/electrum